4820-00-163-5172 VALVE,SAFETY RELIEF Index 4820-00-163-5174 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-163-5173

Federal Supply Class:
4820

National Item Identification Number:
001635173

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
A3934715187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
A39347 M0D15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
H331556480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER7.875 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER7.500 INCHES 1ST END
BOLT HOLE NOMINAL DIAMETER0.875 INCHES 2ND END
BOLT HOLE NOMINAL DIAMETER1.125 INCHES 1ST END
BOLT HOLE QUANTITY8 1ST END
BOLT HOLE QUANTITY8 2ND END
BONNET TYPEEXPOSED SPRING
BONNET ATTACHMENT METHODBOLTED
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLANGE FACE DESIGNRECESSED STRAIGHT 1ST END
FLANGE FACE DESIGNRAISED STRAIGHT 2ND END
FLANGE SHAPEROUND WITH HOLES 1ST END
FLANGE SHAPEROUND WITH HOLES 2ND END
FLOW CONTROL DEVICEDISK
NOMINAL OUTSIDE DIAMETER9.625 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER10.000 INCHES 2ND END
NOMINAL THICKNESS1.188 INCHES 2ND END
NOMINAL THICKNESS1.688 INCHES 1ST END
OPENING PRESSURE SETTING1400.0 POUNDS PER SQUARE INCH
RAISED FACE NOMINAL DIAMETER6.188 INCHES 2ND END
RAISED FACE NOMINAL HEIGHT0.062 INCHES 2ND END
RECESS NOMINAL DEPTH0.062 INCHES 1ST END
RECESS NOMINAL DIAMETER8.750 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE BODY MATERIAL AND VALVE DISCHARGE FLOW RATE REQUIREMENTS
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE DISCHARGE FLOW RATE65110.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE2.500 INCHES


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